12746840

素因数分解:

$2^3\times 5^1\times {\mathrm{318671}}^1$

素因数の和:318682

約数の個数: 16

約数和(自身を含む): 28680480

約数和(自身を除く): 15933640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 318671, 637342, 1274684, 1593355, 2549368, 3186710, 6373420, 12746840]

約数ペア:

[(1, 12746840), (2, 6373420), (4, 3186710), (5, 2549368), (8, 1593355), (10, 1274684), (20, 637342), (40, 318671)]